In both the mining and construction industries, blasting is the predominant method for fragmentation of consolidated mineral deposits and rocks. The public relation problems of users of explosive...
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Summary of blasting theory
DRILLING ,BLASTING AND FRAGMENTATION OF ROCKS 1:Factors affecting drill pattern i:geology ii: area shape iii:free faces-location and nos iv:boreholes-dimensions v :explosives-types and characterist...
In both the mining and construction industries, blasting is the predominant method for fragmentation of consolidated mineral deposits and rocks. The public relation problems of users of explosive...
opration of blasting of boreholes
Peledakan batu kapur di PT Semen Batu Raja. Pengaruh energi peldakan terhadap fragmentasi
Abrasive blastingFull description
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In both the mining and construction industries, blasting is the predominant method for fragmentation of consolidated mineral deposits and rocks. The public relation problems of users of explosive...
In both the mining and construction industries, blasting is the predominant method for fragmentation of consolidated mineral deposits and rocks. The public relation problems of users of explosive...
BLASTING INDEX
BLASTING INDEX (BI) : Memonitoring effectivitas blasting
Keterangan : V
: Vibrasi
F
: Fragmentasi
R
: Recovery Material Blasting
Cm
: Cycle Time
BERSAMA MENCAPAI YANG TERBAIK
BLASTING INDEX
Untuk pemenuhan faktor safety dan enviro. Penentuan paramenter vibration berdasarkan angka Peak Vactor Number ( mm / Sec). Untuk jarak 500 meter atau terhadap infrastruktur :
PV < 3 mm/sec PV < 5 mm/sec PV ≥ 5 mm/sec
=1 = 0.85 = 0.70
Parameter visual kualitas material hasil peledakan :
F : 100% < (0.5x0.5x0.5)m F : 95% < (0.5x0.5x0.5)m F : 90% < (0.5x0.5x0.5)m
=1 = 0.85 = 0.70
1 Meter
BERSAMA MENCAPAI YANG TERBAIK
BLASTING INDEX
Mengukur optimalisasi dari hasil peledakan :
R = 100 % R ≤ 97,5% R ≤ 95 % R ≤ 90 %
=1 = 0.85 = 0.70 = 0.55
Berdasarkan parameter dari manual hand book unit (Komatsu), terkait dengan Digging Condition (file terlampir):
Easy Average Severe
=1 = 0.85 = 0.70 BERSAMA MENCAPAI YANG TERBAIK
BLASTING INDEX
Reference : SPECIFICATIONS & APPLICATION HANDBOOK Edition 26_KOMATSU BERSAMA MENCAPAI YANG TERBAIK
Untuk pemenuhan faktor safety dan enviro. Penentuan paramenter vibration berdasarkan angka Peak Vactor Number ( mm / Sec). Untuk jarak 500 meter atau terhadap infrastruktur :
